59. Yellow bulldozer charging shovel with sand or soil and transported to the pile. Excavator collecting sand and land on the pile in the construction industry. Dredge in action. Machine working on a construction site. Ground work, work vehicle, truck, tractor, country. Separation of land and sand. Separating soil, sand and stones. Huge pile. Processing of sand for paving ( asphalting ) on open pit. Process refinement of sand for concreting on construction site. Preparation sand for asphalt in the yard of construction company. Preparing sand for concrete in heavy industry. Large amounts of sand. Beautiful blue sky in the background. Hard work, machinery, equipment, building, cement factory, transport, crusher, grind, grinding, extraction, daylight, wonderful sunny day, outdoors.